Mean State

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Period Mean (original grids) [%]
Model Period Mean (intersection) [%]
Benchmark Period Mean (intersection) [%]
Model Period Mean (complement) [%]
Benchmark Period Mean (complement) [%]
Bias [%]
RMSE [%]
Phase Shift [months]
Bias Score [1]
RMSE Score [1]
Seasonal Cycle Score [1]
Spatial Distribution Score [1]
Overall Score [1]
Benchmark [-] 66.9
CCAM_ERA5_04k [-] 64.2 64.2 67.0 -2.85 11.9 1.11 0.199 0.581 0.805 0.869 0.607
CCAM_ERA5_22k [-] 64.5 64.4 67.0 -2.61 14.0 1.21 0.172 0.540 0.800 0.759 0.562

Temporally integrated period mean

BENCHMARK MEAN
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MODEL MEAN
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BIAS
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BIAS SCORE
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RMSE
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RMSE SCORE
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BENCHMARK MAX MONTH
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MODEL MAX MONTH
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DIFFERENCE IN MAX MONTH
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SEASONAL CYCLE SCORE
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SPATIAL TAYLOR DIAGRAM
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MODEL COLORS
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Spatially integrated regional mean

MODEL COLORS
Data not available
REGIONAL MEAN
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ANNUAL CYCLE
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MONTHLY ANOMALY
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ANNUAL CYCLE
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All Models

Benchmark
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CCAM_ERA5_04k
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CCAM_ERA5_22k
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Data Information

  Title:
CRU time series (TS) high-resolution gridded datasets

  Version:
4.02

  Institutions:
Climatic Research Unit, School of Environmental Sciences, University of East Anglia, UK

  Source:
monthly observations at meteorological stations across the world land areas

  History:
2019-05-06: downloaded source from https://crudata.uea.ac.uk/cru/data/hrg/cru_ts_4.02/
2019-05-08: estimate saturated vapor pressure using temperature
2019-05-08: calculate relative humidity using saturated vapor pressure and vapor pressure
2019-05-08: converted to ILAMB required netCDF with https://github.com/mmu2019/Datasets/blob/master/read-rhums-cru.py

  References:
Harris, I., P.D. Jones, T.J. Osborn and D.H. Lister (2014), Updated high-resolution grids of monthly climatic observations - the CRU TS3.10 Dataset, International Journal of Climatology, 34(3), 623-642, doi:10.1002/joc.3711

WMO CIMO Guide (2008), ANNEX 4.B. FORMULAE FOR THE COMPUTATION OF MEASURES OF HUMIDITY, MEASUREMENT OF HUMIDITY, Chapter 4, 163, https://library.wmo.int/doc_num.php?explnum_id=3151

  Comments:
time_period: 1980-01 through 2017-12
original_temporal_resolution: monthly
original_spatial_resolution: 0.5 degree
original_units: hPa
final_temporal_resolution: monthly
final_spatial_resolution: 0.5 degree
final_units: %

  Convention:
CF-1.7